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Scribneria bolanderi

Higher Taxonomy
Family: Poaceae (Gramineae)View DescriptionDichotomous Key

Habit: Annual to woody perennial herb; roots generally fibrous. Stem: generally round, hollow; nodes swollen, solid. Leaf: alternate, 2-ranked, generally linear, parallel-veined; sheath generally open; ligule membranous or hairy, at blade base. Inflorescence: various (of generally many spikelets). Spikelet: glumes generally 2; florets (lemma, palea, flower) 1--many; lemma generally membranous, sometimes glume-like; palea generally +- transparent, +- enclosed by lemma. Flower: generally bisexual, minute; perianth vestigial; stamens generally 3; stigmas generally 2, generally plumose. Fruit: grain, sometimes achene- or utricle-like.
Genera In Family: 650--900 genera; +- 10550 species: worldwide; greatest economic importance of any family (wheat, rice, maize, millet, sorghum, sugar cane, forage crops, ornamental, weeds; thatching, weaving, building materials). Note: Generally wind-pollinated. Achnatherum, Ampelodesmos, Hesperostipa, Nassella, Piptatherum, Piptochaetium, Ptilagrostis moved to Stipa; Elytrigia, Leymus, Pascopyrum, Pseudoroegneria, Taeniatherum to Elymus; Hierochloe to Anthoxanthum; Lolium, Vulpia to Festuca; Lycurus to Muhlenbergia; Monanthochloe to Distichlis; Pleuraphis to Hilaria; Rhynchelytrum to Melinis. The following taxa (in genera not included here), recorded in California from historical collections or reported in literature, are extirpated, lacking vouchers, or not considered naturalized: Acrachne racemosa (Roth) Ohwi, Allolepis texana (Vasey) Soderstr. & H.F. Decker, Amphibromus nervosus (Hook. f.) Baill., Axonopus affinis Chase, Axonopus fissifolius (Raddi) Kuhlm., Coix lacryma-jobi L., Cutandia memphitica (Spreng.) K. Richt., Dinebra retroflexa (Vahl) Panz., Eremochloa ciliaris (L.) Merr., Eustachys distichophylla (Lag.) Nees, Gaudinia fragilis (L.) P. Beauv., Miscanthus sinensis Andersson, Neyraudia arundinacea (L.) Henrard, Phyllostachys aurea Rivière & C. Rivière, Phyllostachys bambusoides Siebold & Zuccarini, Rottboellia cochinchinensis (Lour.) Clayton, Schedonnardus paniculatus (Nutt.) Branner & Coville, Schizachyrium cirratum (Hack.) Wooton & Standl., Schizachyrium scoparium (Michx.) Nash, Themeda quadrivalvis (L.) Kuntze, Thysanolaena latifolia (Hornem.) Honda, Tribolium obliterum (Hemsl.) Renvoize, Zea mays L., Zizania palustris L. var. interior (Fassett) Dore, Zoysia japonica Steud. Paspalum pubiflorum E. Fourn., Paspalum quadrifarium Lam., are now reported for southern California (J Bot Res Inst Texas 4:761--770). See Glossary p. 30 for illustrations of general family characteristics.
eFlora Treatment Author: James P. Smith, Jr., except as noted
Scientific Editor: James P. Smith, Jr., J. Travis Columbus, Dieter H. Wilken.
Genus: ScribneriaView Description 


Species In Genus: 1 sp. Etymology: (Frank L. Scribner, American agrostologist, 1851--1938)
eFlora Treatment Author: Thomas Worley
Reference: Smith 2007 FNANM 24:689--690
Unabridged Reference: Crampton 1955 Leafl W Bot 7:219--220

Scribneria bolanderi (Thurb.) Hack.
Habit: Annual. Stem: ascending to erect, 5--30 cm, branched, glabrous; nodes purple. Leaf: sheath 1--5 cm; ligule 2--4 mm, translucent; blade midrib, margins scabrous. Inflorescence: 4--11 cm, straight, +- purple; spikelets 1--2(4) per node, appressed, lower +- embedded in axis, upper, if present, with stalk 1--3 mm, overlapping node above; cleistogamous spikelets occasionally present within leaf sheaths. Spikelet: glumes 2, 5--7 mm, edge-to-edge or overlapping, lower 2-veined, upper 4-veined; floret 1, breaking above glumes; callus short-bristly; lemma 4--6 mm, translucent, scabrous on upper 1/3, tip notched, awned, 5-veined; awn 2--4 mm, +- straight; palea generally < lemma, notched; stamen 1, anther generally > 1 mm. Fruit: +- 2.5 mm. Chromosomes: 2n=26.
Ecology: Dry, disturbed areas; Elevation: 500--2500 m. Bioregional Distribution: CA-FP, MP; Distribution Outside California: to Washington. Flowering Time: Mar--Jun Note: Inconspicuous and easily overlooked.
eFlora Treatment Author: Thomas Worley
Reference: Smith 2007 FNANM 24:689--690
Unabridged Reference: Crampton 1955 Leafl W Bot 7:219--220
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botanical illustration including Scribneria bolanderi


Citation for this treatment: Thomas Worley 2012, Scribneria bolanderi, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on September 26, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on September 26, 2018.

Scribneria bolanderi
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© 2005 Dieter Wilken
Scribneria bolanderi
click for enlargement
© 2005 Dieter Wilken

More photos of Scribneria bolanderi in CalPhotos

Geographic subdivisions for Scribneria bolanderi:
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.